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authorTom Lane <tgl@sss.pgh.pa.us>2017-09-26 13:42:53 -0400
committerTom Lane <tgl@sss.pgh.pa.us>2017-09-26 13:43:12 -0400
commit06852f21544c061cb4d4b53bbe16a647a12dd311 (patch)
tree9a793f0dd274740c9dde5c860cb466dd9b383478 /src/backend/utils/adt/numeric.c
parent05297416f362b50985b3cd3473778fbb0842295d (diff)
downloadpostgresql-06852f21544c061cb4d4b53bbe16a647a12dd311.tar.gz
postgresql-06852f21544c061cb4d4b53bbe16a647a12dd311.zip
Fix failure-to-read-man-page in commit 899bd785c.
posix_fallocate() is not quite a drop-in replacement for fallocate(), because it is defined to return the error code as its function result, not in "errno". I (tgl) missed this because RHEL6's version seems to set errno as well. That is not the case on more modern Linuxen, though, as per buildfarm results. Aside from fixing the return-convention confusion, remove the test for ENOSYS; we expect that glibc will mask that for posix_fallocate, though it does not for fallocate. Keep the test for EINTR, because POSIX specifies that as a possible result, and buildfarm results suggest that it can happen in practice. Back-patch to 9.4, like the previous commit. Thomas Munro Discussion: https://postgr.es/m/1002664500.12301802.1471008223422.JavaMail.yahoo@mail.yahoo.com
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